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EOBD (European On Board Diagnostic)

- The EOBD is a set of rules similar to OBDII that has been implemented in Europe since 2000. One of the innovative features is the recording of the time of delay or mileage from the appearance of a defect to its diagnosis. The European standard obliges manufacturers to install diagnostic systems compatible with the Americans, with standardized connectors and interfaces. Manufacturers will also be required to publish details of the important parts of their diagnostic systems, of which they have so far owned. The European Union guidelines apply to explosion engines (gasoline engines) registered in 2000 and later and to diesel engines registered in 2003 and beyond.

- Nowadays manufacturers, being obliged to install these diagnostic ports, have expanded their functions to be able to control and manage many more everyday aspects of the vehicle. Through this port, you can read any error code that has registered the ECU, activate or deactivate vehicle functions, ask the vehicle control panel to perform tests on all systems: dashboard, abs, injection, ignition, Etc., reducing workshop times to find a problem. Also several more utilities that can be assumed and are not confirmed in a standardized way. For example the reprogramming of the ECU for power increase.

Control in gasoline engines

Monitoring the performance of the catalyst.

Diagnosis of aging lambda probes.

Test of voltage of lambda probes.

Secondary air system (if incorporated by vehicle).

System of recovery of fuel vapors (canister).

Leak test test.

Fuel supply system.

Failures of combustion - Operation of the communication system between control units, for example the Can Bus.

Control of the electronic management system.

Sensors and actuators of the electronic system involved in the management of the engine or related to exhaust emissions.

Control in diesel engines

Failures of combustion.

Setting the start of injection.

Regulation of the supercharging pressure.

Recirculation of exhaust gases.

Operation of the communication system between control units, for example the Can Bus.

Control of the electronic management system.

Sensors and actuators of the electronic system involved in the management of the engine or related to exhaust emissions.